Product parameters:<br><br>Audio type: portable Bluetooth stereo<br>Channel System: 2.0 channel<br>Active Passive: Active<br>Control mode: Press the key<br>Bluetooth version: 2.1 + EDR<br>Transmission distance: 10 meters<br>Rated power: 4W<br>Frequency response: 60Hz-20KHz<br>Speaker unit: 2x1.5 inches<br>Impedance: 4Ω<br>Design: the body with a stable structure of the equilateral triangle<br>Speaker Color: Black<img src="http://gdetail.image-gmkt.com/637/081/704081637/2016/12/8b5d71f2-4701-47d3-8141-dfed339a5195.jpg" undefined="" width="940" height="705"><br><img src="http://gdetail.image-gmkt.com/637/081/704081637/2016/12/12095f81-1728-4111-8ed1-22c7ea6e74f2.jpg" undefined="" width="940" height="658"><br><img src="http://gdetail.image-gmkt.com/637/081/704081637/2016/12/6de88315-4793-48dd-a5c2-cea3680b4812.jpg" undefined="" width="940" height="658">